Siemens 3RT2028-2NF30 SIRIUS Power Contactor, 38A, 18.5kW, 95-130V AC/DC, Spring-Loaded Original Brand New

Overview

The Siemens 3RT2028-2NF30 is a high-performance SIRIUS 3RT2 Power Contactor designed for switching motors and general resistive loads up to 38 Amps (AC-3e/AC-3) and 18.5 kW at 400 V. This 3-pole contactor, part of the reliable SIRIUS modular system, features a versatile 95-130 V AC/DC control voltage with an integrated varistor for coil protection. Its robust spring-loaded terminals ensure a fast, vibration-proof, and maintenance-free connection, making it ideal for demanding industrial environments and automated systems.

Benefits & Advantages

• Fast & Secure Wiring: The innovative spring-loaded terminal technology reduces wiring time and guarantees a permanent, secure connection, even in high-vibration applications.
• Enhanced Coil Protection: Includes an integrated varistor to damp surge voltages, increasing the lifespan and reliability of your control circuit and the contactor itself.
• Global Standard Compliance: Approved for worldwide use (IEC and UL/CSA), ensuring compliance and flexibility for international projects.
• Versatile Control: Universal control voltage range of 95-130 V AC/DC minimizes inventory and simplifies selection.
• Compact & Modular: Size S0 design is space-saving and fully compatible with the extensive SIRIUS modular system accessories (e.g., overload relays, auxiliary switch blocks).
• High Power Density: Delivers up to 18.5 kW in a compact S0 form factor.

Function & Application

The Siemens 3RT2028-2NF30 contactor serves as a reliable switching device for various industrial applications:

• Motor Control: Direct starting and switching of 3-phase motors up to 18.5 kW.
• Industrial Automation: Integration into control panels and systems for managing heavy loads.
• Heating Systems: Switching of resistive loads like heating elements.
• Lighting Circuits: Control of large lighting systems.

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